Wires and cables: the measurement of success

摘要

It is necessary to measure the resistance of all wires and cables that are used to distribute power including the cable used to wire domestic property says Nathan Barwell business development engineer, Seaward Group. The resistance property of cable needs to be low enough to ensure that it will not heat up too much when the maximum rated current is passed through it. The higher the resistance, the hotter the cable will become with a set current flowing through it. Therefore, the manufacturer must ensure that the resistance per metre of the cable produced complies with the published specification and any international standards that may apply.